Home / 74,293,669.20-111,220,054.20-55,209,032.40

Finding the Fourth Proportional to 74,293,669.20, 111,220,054.20 and 55,209,032.40

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Solution

The fourth proportional to 74,293,669.20, 111,220,054.20 and 55,209,032.40 is: 82,649,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,669.20 : 111,220,054.20 = 55,209,032.40 : x
  2. Step 2: Convert to fraction form
    74,293,669.20/111,220,054.20 = 55,209,032.40/x
  3. Step 3: Cross multiply
    74,293,669.20x = 111,220,054.20 × 55,209,032.40
  4. Step 4: Simplify right side
    74,293,669.20x = 6,140,351,575,857,556
  5. Step 5: Solve for x
    x = 6,140,351,575,857,556/74,293,669.20
  6. Step 6: Final answer
    x = 82,649,728.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.